Barry A. Butler

📍 Owatonna, MN: #7 of 23 inventorsTop 35%

🗺 Minnesota: #2,843 of 7,373 inventorsTop 40%

Overall (2019): #533,195 of 560,194Top 100%

Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
10477917	Energy return orthotic systems	—	2019-11-19